Their efforts to revive him were futile.
他们对他抢救无效。
的;Their efforts to revive him were futile.
他们对他抢救无效。
Without microscopes and other modern equipment, attempts to teach science were futile.
没有显微镜及其他现代化的设备, 想教

科学是不会有成果的。
They were killed, to the last man, in a futile attack.
因为进攻失败, 他们全部被杀, 无一幸免。
He is a futile sort of person.
他是一个没有用的人。
声明:以上例句、词性分类均由互联网资源
动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。